/Engine/Plugins/Runtime/Metasound/Source/MetasoundStandardNodes/Public/MetasoundAudioFormats.h
This constructor accepts an array of writable audio buffer references. Each buffer in the array must contain equal number of frames.
FMultichannelAudioFormat ( [TArrayView](API\Runtime\Core\Containers\TArrayView)< const [FAudioBufferWriteRef](API\Plugins\MetasoundGraphCore\FAudioBufferWriteRef) > InWriteRefs )